What will I do,my machine is trying to lock up or something.It will sew a few stiches then it starts shuddering and E6 comes up.This is a brother 6000.I;ve done everything I can think of. I have alot of christmas sewing to do,like 9 Bow tucks and 5 small quilts.What will I do,can someone give me some advice,before I pull out my hair and scream.Cant afford another machine.This one is less than a yr old